<template>
  <div class="app-container">
    <div style="font-size: 26px; font-weight: bold; margin-bottom: 20px;">视频列表</div>
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="courseQuery.title" placeholder="视频名称" />
      </el-form-item>
      <el-form-item>
        <el-select v-model="courseQuery.status" clearable placeholder="视频状态">
          <el-option value="Normal" label="已发布" />
          <el-option value="Draft" label="未发布" />
        </el-select>
      </el-form-item>
      <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>
    <el-table :data="list" border fit highlight-current-row>

      <el-table-column label="序号" width="70" align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="title" label="视频名称" width="80" />

      <el-table-column label="视频状态" width="80">
        <template slot-scope="scope">
          {{ scope.row.status === 'Normal' ? '已发布' : '未发布' }}
        </template>
      </el-table-column>

      <el-table-column prop="lessonNum" label="课时数" />

      <el-table-column prop="gmtCreate" label="添加时间" width="160" />

      <el-table-column prop="viewCount" label="浏览数量" width="60" />

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/course/info/' + scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">编辑视频基本信息</el-button>
          </router-link>
          <router-link :to="'/course/chapter/' + scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">编辑视频大纲信息</el-button>
          </router-link>
          <el-button type="danger" size="mini" icon="el-icon-delete"
            @click="removeDataById(scope.row.id)">删除视频信息</el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination :current-page="page" :page-size="limit" :total="total" style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper" @current-change="getList" />

  </div>
</template>
<script>
import course from '@/api/edu/course'

export default {
  data() {
    return {
      list: null,
      page: 1,
      limit: 10,
      total: 0,
      courseQuery: {}
    }
  },
  created() {
    this.getList()
  },
  methods: {
    getList(page = 1) {
      this.page = page
      course.getCourseListPage(this.page, this.limit, this.courseQuery)
        .then(response => {
          this.list = response.data.rows
          this.total = response.data.total
          console.log(this.list)
          console.log(this.total)
        })
    },
    resetData() {
      this.courseQuery = {}
      // 查询视频数据
      this.getList()
    },
    removeDataById(id) {
      this.$confirm('此操作将删除视频, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        course.deleteCourse(id)
          .then(response => {
            this.$message({
              type: 'success',
              message: '删除视频成功!'
            });
            this.getList()
          })
      })
    }
  }
}
</script>
